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Fix occasional crash when swizzling used but shader swizzling not enabled.

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MVKImageViewPlane distinguish tracking of native and shader swizzling.
Only provide packed swizzle value if shader swizzling is used.
This commit is contained in:
Bill Hollings 2021-07-08 16:43:22 -04:00
parent bde3a86180
commit c2f27e40c1
3 changed files with 21 additions and 16 deletions
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2
MoltenVK/MoltenVK/API/vk_mvk_moltenvk.h
View File

@ -423,7 +423,7 @@ typedef struct {
* a very limited set of VkImageView component swizzles are supported via format substitutions.
*
* If Metal supports native per-texture swizzling, this parameter is ignored.
*
* When running on an older version of Metal that does not support native per-texture
* swizzling, if this parameter is enabled, both when a VkImageView is created, and
* when any pipeline that uses that VkImageView is compiled, VkImageView swizzling is

6
MoltenVK/MoltenVK/GPUObjects/MVKImage.h
View File

@ -532,7 +532,7 @@ public:
void releaseMTLTexture();
/** Returns the packed component swizzle of this image view. */
uint32_t getPackedSwizzle() { return _useSwizzle ? mvkPackSwizzle(_componentSwizzle) : 0; }
uint32_t getPackedSwizzle() { return _useShaderSwizzle ? mvkPackSwizzle(_componentSwizzle) : 0; }
~MVKImageViewPlane();
@ -541,6 +541,7 @@ protected:
id<MTLTexture> newMTLTexture();
id<MTLTexture> getUnswizzledMTLTexture();
VkResult initSwizzledMTLPixelFormat(const VkImageViewCreateInfo* pCreateInfo);
bool enableSwizzling();
MVKImageViewPlane(MVKImageView* imageView, uint8_t planeIndex, MTLPixelFormat mtlPixFmt, const VkImageViewCreateInfo* pCreateInfo);
friend MVKImageView;
@ -550,7 +551,8 @@ protected:
MTLPixelFormat _mtlPixFmt;
uint8_t _planeIndex;
bool _useMTLTextureView;
bool _useSwizzle;
bool _useNativeSwizzle;
bool _useShaderSwizzle;
};

29
MoltenVK/MoltenVK/GPUObjects/MVKImage.mm
View File

@ -1448,7 +1448,7 @@ id<MTLTexture> MVKImageViewPlane::newMTLTexture() {
sliceRange = NSMakeRange(0, 1);
}
id<MTLTexture> mtlTex = _imageView->_image->getMTLTexture(_planeIndex);
if (_device->_pMetalFeatures->nativeTextureSwizzle && _useSwizzle) {
if (_useNativeSwizzle) {
return [mtlTex newTextureViewWithPixelFormat: _mtlPixFmt
textureType: mtlTextureType
levels: NSMakeRange(_imageView->_subresourceRange.baseMipLevel, _imageView->_subresourceRange.levelCount)
@ -1466,7 +1466,7 @@ id<MTLTexture> MVKImageViewPlane::newMTLTexture() {
// This is relevant for depth/stencil attachments that are also sampled and might have forced swizzles.
id<MTLTexture> MVKImageViewPlane::getUnswizzledMTLTexture() {
id<MTLTexture> mtlTex = getMTLTexture();
return _useSwizzle && mtlTex.parentTexture ? mtlTex.parentTexture : mtlTex;
return _useNativeSwizzle && mtlTex.parentTexture ? mtlTex.parentTexture : mtlTex;
}
@ -1494,7 +1494,7 @@ MVKImageViewPlane::MVKImageViewPlane(MVKImageView* imageView,
((_imageView->_mtlTextureType == MTLTextureType2D || _imageView->_mtlTextureType == MTLTextureType2DArray) && is3D)) &&
_imageView->_subresourceRange.levelCount == _imageView->_image->_mipLevels &&
(is3D || _imageView->_subresourceRange.layerCount == _imageView->_image->_arrayLayers) &&
!_useSwizzle) {
!_useNativeSwizzle) {
_useMTLTextureView = false;
}
} else {
@ -1504,11 +1504,10 @@ MVKImageViewPlane::MVKImageViewPlane(MVKImageView* imageView,
VkResult MVKImageViewPlane::initSwizzledMTLPixelFormat(const VkImageViewCreateInfo* pCreateInfo) {
_useSwizzle = false;
_useNativeSwizzle = false;
_useShaderSwizzle = false;
_componentSwizzle = pCreateInfo->components;
VkImageAspectFlags aspectMask = pCreateInfo->subresourceRange.aspectMask;
bool supportsSwizzling = _device->_pMetalFeatures->nativeTextureSwizzle || mvkConfig().fullImageViewSwizzle;
#define SWIZZLE_MATCHES(R, G, B, A) mvkVkComponentMappingsMatch(_componentSwizzle, {VK_COMPONENT_SWIZZLE_ ##R, VK_COMPONENT_SWIZZLE_ ##G, VK_COMPONENT_SWIZZLE_ ##B, VK_COMPONENT_SWIZZLE_ ##A} )
#define VK_COMPONENT_SWIZZLE_ANY VK_COMPONENT_SWIZZLE_MAX_ENUM
@ -1534,9 +1533,8 @@ VkResult MVKImageViewPlane::initSwizzledMTLPixelFormat(const VkImageViewCreateIn
// When reading or sampling into a vec4 color, Vulkan expects the depth or stencil value in only the red component.
// Metal can be inconsistent, but on most platforms populates all components with the depth or stencil value.
// If swizzling is available, we can compensate for this by forcing the appropriate swizzle.
if (supportsSwizzling && mvkIsAnyFlagEnabled(aspectMask, VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
_componentSwizzle = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_ZERO, VK_COMPONENT_SWIZZLE_ZERO, VK_COMPONENT_SWIZZLE_ONE };
_useSwizzle = true;
if (mvkIsAnyFlagEnabled(aspectMask, VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT) && enableSwizzling()) {
_componentSwizzle = { VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_ZERO, VK_COMPONENT_SWIZZLE_ZERO, VK_COMPONENT_SWIZZLE_ONE };
}
}
@ -1672,8 +1670,8 @@ VkResult MVKImageViewPlane::initSwizzledMTLPixelFormat(const VkImageViewCreateIn
break;
}
// No format transformation swizzles were found, so we'll need to use either native or shader swizzling, if it is supported.
if ( !supportsSwizzling ) {
// No format transformation swizzles were found, so we'll need to use either native or shader swizzling, if supported.
if ( !enableSwizzling() ) {
return getVulkanAPIObject()->reportError(VK_ERROR_FEATURE_NOT_PRESENT,
"The value of %s::components) (%s, %s, %s, %s), when applied to a VkImageView, requires full component swizzling to be enabled both at the"
" time when the VkImageView is created and at the time any pipeline that uses that VkImageView is compiled. Full component swizzling can"
@ -1683,11 +1681,16 @@ VkResult MVKImageViewPlane::initSwizzledMTLPixelFormat(const VkImageViewCreateIn
mvkVkComponentSwizzleName(_componentSwizzle.b), mvkVkComponentSwizzleName(_componentSwizzle.a));
}
_useSwizzle = true;
return VK_SUCCESS;
}
// Enable either native or shader swizzling, depending on what is available, preferring native, and return whether successful.
bool MVKImageViewPlane::enableSwizzling() {
_useNativeSwizzle = _device->_pMetalFeatures->nativeTextureSwizzle;
_useShaderSwizzle = !_useNativeSwizzle && mvkConfig().fullImageViewSwizzle;
return _useNativeSwizzle || _useShaderSwizzle;
}
MVKImageViewPlane::~MVKImageViewPlane() {
[_mtlTexture release];
}